CN102001724B - Circulating water treatment device and process using nanocrystalline titanium dioxide fiber photocatalysis reactor - Google Patents
Circulating water treatment device and process using nanocrystalline titanium dioxide fiber photocatalysis reactor Download PDFInfo
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- CN102001724B CN102001724B CN2010105030626A CN201010503062A CN102001724B CN 102001724 B CN102001724 B CN 102001724B CN 2010105030626 A CN2010105030626 A CN 2010105030626A CN 201010503062 A CN201010503062 A CN 201010503062A CN 102001724 B CN102001724 B CN 102001724B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a circulating water treatment device and a circulating water treatment process using a nanocrystalline titanium dioxide fiber photocatalysis reactor, which are used for treating organic pollutant waste water. Compared with the prior art, the reactor is innovative and has remarkable advantages in the aspect of structural designs: through unique water intake expanding and decelerating, uniform current distribution and a surrounding ring overflow water outlet structure at the upper port of an inner barrel, relatively high water flow rate is ensured and fiber breaking and loss caused by over high water current flow speed are avoided; an ultraviolet lamp is arranged at the axle enter position of the reactor, so that ultraviolet light is utilized to the maximum extent; a photocatalysis reaction is considered fully and treated waste water is sprayed and filled with oxygen; the device has a simple structure and low manufacturing cost and is convenient to assemble; and the photocatalysis circulating water treatment process has high efficiency, low energy consumption and important practical value and can perform high-flow continuous water treatment.
Description
Technical field
The invention belongs to environmental technology field, particularly a kind of circulating water treatment device and technology of utilizing nano-crystalline titanium dioxide fiber optic catalyticreactor.
Background technology
The conductor photocatalysis oxidation technology can produce the strong oxidizing property radical under UV-irradiation; Various toxic organic pollutants in the quick non-selectivity ground oxygenolysis water; And can kill bacterium and the virus in the water rapidly, and do not bring secondary pollution, simple to operate; Energy consumption is low, and is very wide in the water treatment field application prospect.
In numerous semiconductor light-catalysts, titanium oxide is high, nontoxic because of photocatalytic activity, and receives much concern.But the conventional use form of titanium oxide is mainly nano powder, film and load; All there is the defective that is difficult to overcome; Reclaim difficulty like nano powder reaction back and water sepn, film and duty ratio surface with active low, be prone to come off, therefore greatly limitations its practical application.The appearance of nano-crystalline titanium dioxide fiber then is expected to address the above problem.Because the great fibre shape advantage of its length-to-diameter ratio, can design the filling type reactor drum easily, water can directly flow through fiber generation light-catalyzed reaction, direct separation then; Simultaneously, because fiber bodies is the polycrystal tissue of titanium dioxide nanocrystalline grain and the coexistence of nanometer pore, specific surface area is big; Photocatalytic activity is high, and in water, is the interlacing distributed in three dimensions state of dispersion, and water and UV-light pass reaction from the gap; Contact area is big; Photocatalysis efficiency is high, therefore is expected to realize the water technology of high-efficiency and continuous, has important application value.Patent CN.200410024265.1 and CN.201010144227.5 have invented the nano-crystalline titanium dioxide fiber preparation method, have solved the source problem that comes of material.
Realize the nano-crystalline titanium dioxide fiber optic catalysis water treatment of high-efficiency and continuous, at first should carry out the agent structure optimization design of nano-crystalline titanium dioxide fiber optic catalyticreactor, its less important this reactor drum that utilizes is formed the simple and effective water circulation craft of a cover.
When carrying out the agent structure optimization design of nano-crystalline titanium dioxide fiber optic catalyticreactor; Need emphasis consider following problem: 1. how when guaranteeing the larger process water yield; Reduce the flow velocity in water and the fiber contact range, avoid causing disconnected broken, the loss of fiber because of current are too urgent; 2. how to maximally utilise UV-light, reduce optical loss, and realize light uniform irradiation in reactor drum; 3. reactor drum should be simple in structure, making is easy to assembly, cost is low.
Prior art still fails all and well to address the above problem; Like the titania fiber photocatalytic reaction device of patent CN.200720021917.5, CN.200720030678.x and the disclosed several types of CN.201010105477.8, do not take into full account the problem that high speed water flow impacts fiber, particularly at the water outlet place; Owing to directly set out the mouth of a river at reactor wall; Cause water flow section to be amassed and dwindle suddenly, water flow velocity is sharply accelerated at the water outlet place, very easily carries the fibre stream water outlet; UV-irradiation adopts the fiber-optic transfer solar ultraviolet, has the problem that optical transmission loss is big, luminous point is inhomogeneous, cost is high, or adopts the uv lamp source above reactor drum, to shine, and the light waste is more serious; There are problems such as complex structure, fiber assembling inconvenience, cost height in reactor monolith.In addition, the carrying out of light-catalyzed reaction also must have O
2Participate in, and above-mentioned patent is not all considered this problem.Prior art does not utilize the titania fiber photo catalysis reactor to form the complete water technology of a cover as yet yet.
Summary of the invention
The present invention is directed to the prior art defective; A kind of rational in infrastructure, easy for installation, nano-crystalline titanium dioxide fiber optic catalyticreactor that cost is low is provided; And utilize this reactor drum to form complete circulating water treatment device and the technology of a cover, can carry out high efficiency, the serialization circulating water treatment operation of big flow.
The technical solution that realizes the object of the invention is: a kind of circulating water treatment device of nano-crystalline titanium dioxide fiber optic catalyticreactor that utilizes constitutes water-flow circuit by nano-crystalline titanium dioxide fiber optic catalyticreactor, tank, water pump, first valve, under meter, second valve and spray aeration head; Wherein, the tank water outlet links to each other with pump intake, and pump outlet is divided into two-way; Wherein one the tunnel is connected with first valve, and another road links to each other with second valve, and first valve links to each other with the under meter water-in; The under meter water outlet links to each other with nano-crystalline titanium dioxide fiber optic catalyticreactor water-in; Nano-crystalline titanium dioxide fiber optic catalyticreactor water outlet leads to the tank top through pipeline, and second valve links to each other with the spray aeration head, and the spray aeration head is positioned at the tank top.Nano-crystalline titanium dioxide fiber optic catalyticreactor comprises urceolus, inner core, silica tube, uv lamp, nano-crystalline titanium dioxide fiber, water inlet pipe mouth, porous cloth stream plate, effluent pipe mouth, the cotton filtering layer of organic fibre and silica tube anchor clamps; Urceolus, inner core and silica tube are arranged in concentric circles from outside to inside; Urceolus and inner core are vertically placed, both ports that are suitable for reading, and open height is higher than open height on the inner core on the urceolus, and open height also is higher than open height under the inner core under the urceolus, and the urceolus end opening is provided with an effluent pipe mouth, bottom, the circular clearance border sealing between urceolus and the inner core; Water inlet pipe mouth is the taper shape that diameter enlarges gradually, and links to each other with the inner core end opening, and intersection is provided with porous cloth stream plate, the cotton filtering layer of porous cloth stream plate top laying one deck organic fibre-; Be provided with silica tube along the inner core axis direction, silica tube end opening sealing, silica tube bottommost and organic fibre cotton filtering layer-contact, silica tube is suitable for reading to be port, open height is higher than open height on the urceolus on the silica tube; Silica tube is built-in with uv lamp; Fill the nano-crystalline titanium dioxide fiber between inner core and the silica tube, inner core water outlet suitable for reading position re-lay the cotton filtering layer of one deck organic fibre-.Silica tube is through anchor clamps clamping location; Wherein be in first anchor clamps of inner core bottom and upper position-with second anchor clamps-; Grasp silica tube respectively and make it be fixed in the axis direction of inner core; Be in the 3rd anchor clamps of topmost position-grasp silica tube and fix with screw, so that the silica tube upper-lower position is fixed with the border suitable for reading of urceolus.
Concrete technical process is following: the waste water that will contain organic pollutant injects in the tank, opens water pump and uv lamp, and waste water then pumps through water pump from the tank left end; The moisture that pumps is left and right sides two-way, and the water under meter of behind the first valve regulated flow, flowing through in wherein left road is through drawing together the inner core that the conical water inlet pipe mouth in footpath flows into nano-crystalline titanium dioxide fiber optic catalyticreactor; Because the diameter of water inlet pipe mouth enlarges gradually, the corresponding expansion of current cross-sectional area, flow velocity significantly reduces; Behind porous cloth stream plate and the further even cloth stream of the cotton filtering layer of organic fibre, water flow stationary slowly rises, and flows through by the gap of the nano-crystalline titanium dioxide fiber of ultra violet lamp again; In fiber surface generation light-catalyzed reaction, organic pollutant is able to degraded and mineralising in the water, and current rise to the inner core top; After the cotton filtering layer of organic fibre filters, descend along the border suitable for reading overflow of inner core, flow to bottom the gap of inner core and urceolus; Through the effluent pipe mouth outflow reactor, last from the right-hand member that flows back to tank; The right wing water that water pump pumps directly arrives the top-right spray aeration head of tank after the second valve controlling flow amount, from a plurality of orifice jet ejections of spray aeration head; Carry out aeration aerating; The waste water that is rich in dissolved oxygen sprays into the tank right-hand member, flows to left end again and pumps through water pump, forms circulation.
The present invention compared with prior art, its remarkable advantage:
(1) through unique water inlet hole enlargement slow down, evenly cloth stream and the design of inner core border overflow suitable for reading water flowing out structure, when guaranteeing big water flow, avoided that flow rate of water flow is too fast to cause the fiber broken loss of breaking.When waste water gets into the reactor drum inner core through drawing together the conical water inlet pipe mouth in footpath; Water flow section is long-pending to enlarge tens of times, and flow rate of water flow is slowed down greatly, again through porous cloth stream plate and the even cloth stream of the cotton filtering layer of organic fibre; Guarantee that current rise steadily slowly, can not cause the erosion damage effect to titania fiber; The water outlet of reactor drum is not directly to offer outlet at wall, but goes out along the border suitable for reading overflow of reactor drum inner core, has increased the water outlet circulation area greatly, and is provided with the cotton filtering layer of organic fibre and filters and stop, guarantees that fiber can not run off with water outlet.If directly offer outlet at wall, diminish suddenly because of water flow section is long-pending, mouth of pipe flow velocity sharply increases, and can carry the fiber outflow reactor.
(2) maximally utilise UV-light, almost do not had optical loss.Uv lamp places the reactor drum shaft core position, and the UV-light that is sent penetrates radially, can be absorbed layer by layer by the nano-crystalline titanium dioxide fiber of periphery, and illumination is even, and light utilization efficiency is high.
(3) taken into full account when light-catalyzed reaction is carried out, sprayed oxygenation handling waste water.When photocatalysis oxidation reaction carries out, O
2Participation of crucial importance, the oxygen that is adsorbed on the catalyst surface is light induced electron e
-Mainly capture agent, be e
-Effective receptor, oxygen and e
-Reduction reaction not only generate the required hydroxyl radical free radical of surface light catalytic oxidation (OH), and required OH is provided for the hole
-And H
2O further generates OH, forms a benign surface light catalytic process, reduces the right recombination rate in semiconductor light-catalyst surface electronic-hole, improves speed of reaction greatly.
The present invention wherein one the tunnel sprays aeration aerating through water pump water outlet is divided into two-way, and the waste water that is rich in dissolved oxygen carries out light-catalyzed reaction again, and efficient improves greatly.
(4) nano-crystalline titanium dioxide fiber optic catalyticreactor of the present invention is simple in structure, easy to assembly, and cost is low.
(5) nano-crystalline titanium dioxide fiber optic catalytic chain water technology photocatalysis efficiency of the present invention is high, energy consumption is low, can carry out the serialization water treatment of big flow, has important practical value.
Description of drawings
Fig. 1 is that the present invention utilizes the circulating water treatment device of nano-crystalline titanium dioxide fiber optic catalyticreactor and the schematic flow sheet of technology.
Fig. 2 is a nano-crystalline titanium dioxide fiber optic catalyticreactor cross sectional representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
In conjunction with Fig. 1; The present invention utilizes the circulating water treatment device of nano-crystalline titanium dioxide fiber optic catalyticreactor, constitutes water-flow circuit by nano-crystalline titanium dioxide fiber optic catalyticreactor 1, tank 2, water pump 3, first valve 4, under meter 5, second valve 6 and spray aeration head 7; Wherein, Tank 2 water outlets link to each other with water pump 3 water-ins, and water pump 3 water outlets are divided into two-way, and wherein one the tunnel is connected with first valve 4; Another road links to each other with second valve 6; First valve 4 links to each other with under meter 5 water-ins, and under meter 5 water outlets link to each other with nano-crystalline titanium dioxide fiber optic catalyticreactor 1 water-in, and nano-crystalline titanium dioxide fiber optic catalyticreactor 1 water outlet leads to tank 2 tops through pipeline; Second valve 6 links to each other with spray aeration head 7, and spray aeration head 7 is positioned at tank 2 tops.
Nano-crystalline titanium dioxide fiber optic catalyticreactor 1 is made up of urceolus 10, inner core 11, silica tube 12, uv lamp 13, nano-crystalline titanium dioxide fiber 14, water inlet pipe mouth 15, porous cloth stream plate 16, effluent pipe mouth 17, the cotton filtering layer 18 of organic fibre and silica tube anchor clamps 19, and it specifically is configured to: urceolus 10, inner core 11 and silica tube 12 are arranged in concentric circles from outside to inside; Urceolus 10 is straight shape cylinder with inner core 11; The vertical placement; Both ports that are suitable for reading, and open height is higher than open height on the inner core 11 on the urceolus 10, and 10 times open heights of urceolus also are higher than 11 times open heights of inner core; Urceolus 10 end openings are provided with an effluent pipe mouth 17, bottom, the circular clearance border sealing between urceolus 10 and the inner core 11; Water inlet pipe mouth 15 is the cone shape that diameter enlarges gradually; And link to each other with inner core [11] end opening; Intersection is provided with porous cloth stream plate 16, and porous cloth stream plate 16 reaches the effect of uniform distribution current for being evenly distributed with the circular dull and stereotyped of 1-3mm aperture; The cotton filtering layer 18-1 of one deck organic fibre is laid in porous cloth stream plate 16 tops, plays filtered water inlet and the further evenly effect of cloth stream; Be provided with silica tube 12 along the inner core axis direction, silica tube 12 end openings sealings, silica tube 12 bottommosts contact with organic fibre cotton filtering layer 18-1, and silica tube 12 is suitable for reading to be port, and open height is higher than open height on the urceolus 10 on the silica tube 12; Silica tube 12 is built-in with uv lamp 13; Nano-crystalline titanium dioxide fiber 14 is filled in (from the cotton filtering layer 18-1 of the organic fibre zone between suitable for reading near inner core 11 upwards) between inner core 11 and the silica tube 12; Inner core 11 water outlet suitable for reading positions (being nano-crystalline titanium dioxide fiber 14 tops) re-lay the cotton filtering layer 18-2 of one deck organic fibre, play and filter water outlet and stop the effect that the nano-crystalline titanium dioxide fiber loses with current.
The present invention utilizes the circulating water treatment technology of nano-crystalline titanium dioxide fiber optic catalyticreactor, and its concrete technical process is: the waste water (pass through filtration treatment in advance, do not contain suspended solid) that will contain organic pollutant injects in the tank 2; Open water pump 3 and uv lamp 13, waste water then pumps through water pump 3 from tank 2 left ends, and the moisture that pumps is left and right sides two-way; The water under meter 5 of after first valve 4 is regulated flows, flowing through in wherein left road flows into the inner core 11 of nano-crystalline titanium dioxide fiber optic catalyticreactors 1 through the conical water inlet pipe mouth 15 of hole enlargement, because the diameter of water inlet pipe mouth 15 enlarges gradually; The corresponding expansion of current cross-sectional area, flow velocity significantly reduces, again behind porous cloth stream plate 16 and the further even cloth stream of the cotton filtering layer 18-1 of organic fibre; Water flow stationary slowly rises; Flow through by the gap of the nano-crystalline titanium dioxide fiber 14 of uv lamp 13 irradiations, in fiber surface generation light-catalyzed reaction, organic pollutant is able to degraded and mineralising in the water; Current rise to inner core 11 tops; After the cotton filtering layer 18-2 of organic fibre filters, descend along the border suitable for reading overflow of inner core 11, flow to bottom the gap of inner core 11 and urceolus 10; Through effluent pipe mouth 17 outflow reactors 1, last from the right-hand member that flows back to tank 2; The right wing water that water pump 3 pumps directly arrives tank 2 top-right spray aeration heads 7 after second valve, 6 dominant discharge, from a plurality of orifice jet ejections of spray aeration head 7; Carry out aeration aerating, the waste water that is rich in dissolved oxygen sprays into tank 2 right-hand members, flows to left end again and pumps through water pump 3; Form circulation; Behind the circulation certain hour, contained organism can all be degraded in the waste water, is CO until thorough mineralising
2And H
2O.
The principle of the invention is following:
In the technical process of the present invention; When waste water gets into the reactor drum inner core through drawing together the conical water inlet pipe mouth in footpath; Water flow section is long-pending to enlarge tens of times, and flow rate of water flow is slowed down greatly, again through porous cloth stream plate and the even cloth stream of the cotton filtering layer of organic fibre; Guarantee that current rise steadily slowly, can not cause the erosion damage effect to titania fiber; The water outlet of reactor drum is not directly to offer outlet at wall, but goes out along the border suitable for reading overflow of reactor drum inner core, has increased the water outlet circulation area greatly, and is provided with the cotton filtering layer of organic fibre and filters and stop, guarantees that fiber can not run off with water outlet.If directly offer outlet at wall, diminish suddenly because of water flow section is long-pending, mouth of pipe flow velocity sharply increases, and can carry the fiber outflow reactor.
The present invention is taking into full account when light-catalyzed reaction is carried out, sprays oxygenation to handling waste water.When photocatalysis oxidation reaction carries out, O
2Participation of crucial importance, the oxygen that is adsorbed on the catalyst surface is light induced electron e
-Mainly capture agent, be e
-Effective receptor, oxygen and e
-Reduction reaction not only generate the required hydroxyl radical free radical of surface light catalytic oxidation (OH), and required OH is provided for the hole
-And H
2O further generates OH, forms a benign surface light catalytic process, reduces the right recombination rate in semiconductor light-catalyst surface electronic-hole, improves speed of reaction greatly.Its reaction mechanism is following:
O
2+TiO
2(e
-)→TiO
2+·O
2 -
·O
2 -+2H
2O+TiO
2(e
-)→TiO
2+H
2O
2+2OH
-
H
2O
2+TiO
2(e
-)→TiO
2+·OH+OH
-
TiO
2(h
+)+H
2O→TiO
2+H
++·OH
TiO
2(h
+)+OH
-→TiO
2+·OH
Below in conjunction with embodiment the present invention is described further.
Reactor drum urceolus height 450mm, diameter 150mm, inner core height 400mm, diameter 110mm; Axle center silica tube height 500mm, diameter 55mm, built-in 36W medium pressure mercury lamp; Fill 135g nano-crystalline titanium dioxide fiber, adopt the 20w water pump, conditioned reaction device water flow is 7L/min; Inner core current lift velocity is about 2cm/min, and processing 500L concentration capable of circulation was the X-3B reactive brilliant red waste water from dyestuff of 20mg/L in 1 day, and current consumption is merely 1.32 degree/skies.
Claims (5)
1. a circulating water treatment device that utilizes nano-crystalline titanium dioxide fiber optic catalyticreactor is characterized in that: constitute water-flow circuit by nano-crystalline titanium dioxide fiber optic catalyticreactor [1], tank [2], water pump [3], first valve [4], under meter [5], second valve [6] and spray aeration head [7]; Wherein, Tank [2] water outlet links to each other with water pump [3] water-in, and water pump [3] water outlet is divided into two-way, and wherein one the tunnel is connected with first valve [4]; Another road links to each other with second valve [6]; First valve [4] links to each other with under meter [5] water-in, and under meter [5] water outlet links to each other with nano-crystalline titanium dioxide fiber optic catalyticreactor [1] water-in, and nano-crystalline titanium dioxide fiber optic catalyticreactor [1] water outlet leads to tank [2] top through pipeline; Second valve [6] links to each other with spray aeration head [7], and spray aeration head [7] is positioned at tank [2] top; Nano-crystalline titanium dioxide fiber optic catalyticreactor [1] comprises urceolus [10], inner core [11], silica tube [12], uv lamp [13], nano-crystalline titanium dioxide fiber [14], water inlet pipe mouth [15], porous cloth stream plate [16], effluent pipe mouth [17], the cotton filtering layer [18] of organic fibre and silica tube anchor clamps [19]; Urceolus [10], inner core [11] and silica tube [12] are arranged in concentric circles from outside to inside; Urceolus [10] and inner core [11] are vertical to be placed; Both ports that are suitable for reading; And urceolus [10] is gone up open height and is higher than upward open height of inner core [11]; Urceolus [10] open height down also is higher than open height under the inner core [11], and urceolus [10] end opening is provided with an effluent pipe mouth [17], bottom, the circular clearance border sealing between urceolus [10] and the inner core [11]; Water inlet pipe mouth [15] is the taper shape that diameter enlarges gradually, and links to each other with inner core [11] end opening, and intersection is provided with porous cloth stream plate [16], and the cotton filtering layer [18-1] of one deck organic fibre is laid in porous cloth stream plate [16] top; Be provided with silica tube [12] along the inner core axis direction, the sealing of silica tube [12] end opening, silica tube [12] bottommost contacts with the cotton filtering layer of organic fibre [18-1], and silica tube [12] is suitable for reading to be port, and silica tube [12] is gone up open height and is higher than upward open height of urceolus [10]; Silica tube [12] is built-in with uv lamp [13]; Fill nano-crystalline titanium dioxide fiber [14] between inner core [11] and the silica tube [12], inner core [11] water outlet suitable for reading position re-lays the cotton filtering layer [18-2] of one deck organic fibre.
2. the circulating water treatment device that utilizes nano-crystalline titanium dioxide fiber optic catalyticreactor according to claim 1; It is characterized in that: silica tube [12] is through anchor clamps [19] clamping location; Wherein be in first anchor clamps [19-1] and second anchor clamps [19-2] of inner core [11] bottom and upper position; Grasp silica tube [12] respectively and make it be fixed in the axis direction of inner core [11]; The 3rd anchor clamps [19-3] that are in topmost position grasp silica tube [12] and fix with screw with the border suitable for reading of urceolus [10], so that silica tube [12] upper-lower position is fixed.
3. the circulating water treatment device that utilizes nano-crystalline titanium dioxide fiber optic catalyticreactor according to claim 1 is characterized in that: urceolus [10] and inner core [11] are straight shape cylinder.
4. the circulating water treatment device that utilizes nano-crystalline titanium dioxide fiber optic catalyticreactor according to claim 1 is characterized in that: porous cloth stream plate [16] reaches the effect of uniform distribution current for being evenly distributed with the circular dull and stereotyped of 1-3mm aperture.
5. circulating water treatment technology of utilizing nano-crystalline titanium dioxide fiber optic catalyticreactor, it is characterized in that for: the waste water that will contain organic pollutant injects in the tank [2], opens water pump [3] and uv lamp [13]; Waste water then pumps through water pump [3] from tank [2] left end, and the moisture that pumps is left and right sides two-way, the wherein left road water under meter [5] of after first valve [4] is regulated flow, flowing through; Through the inner core [11] of the conical water inlet pipe mouth of hole enlargement [15] inflow nano-crystalline titanium dioxide fiber optic catalyticreactor [1], because the diameter of water inlet pipe mouth enlarges the corresponding expansion of current cross-sectional area gradually; Flow velocity significantly reduces; Behind porous cloth stream plate [16] and the further even cloth stream of the cotton filtering layer of organic fibre [18-1], water flow stationary slowly rises, and flows through by the gap of the nano-crystalline titanium dioxide fiber [14] of uv lamp [13] irradiation again; In fiber surface generation light-catalyzed reaction; Organic pollutant is able to degraded and mineralising in the water, and current rise to inner core [11] top, after the cotton filtering layer of organic fibre [18-2] filters; Along the border suitable for reading overflow of inner core [11] and descend; Flow to the bottom, gap of inner core [11] and urceolus [10], through effluent pipe mouth [17] outflow reactor [1], last from the right-hand member that flows back to tank [2]; The right wing water that water pump [3] pumps is after second valve [6] dominant discharge; Directly arrive tank [2] top-right spray aeration heads [7]; From a plurality of orifice jet ejections of spray aeration head [7], carry out aeration aerating, the waste water that is rich in dissolved oxygen sprays into tank [2] right-hand member; Flow to left end again and pump, form circulation through water pump [3].
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| CN104321282A (en) * | 2012-03-21 | 2015-01-28 | 首尔伟傲世有限公司 | Water purification system using ultraviolet LEDs |
| CN103992000A (en) * | 2014-04-10 | 2014-08-20 | 东莞市赛德工业设计有限公司 | Water purifier with characteristic of multiple circulation filtrations |
| JP7121054B2 (en) * | 2017-05-26 | 2022-08-17 | アキューバ、テクノロジーズ、インコーポレーテッド | Fluid sterilization apparatus and method |
| CN114229950B (en) * | 2022-01-12 | 2023-04-18 | 河海大学 | Reactor for continuous flow photocatalytic degradation of organic micropollutants |
| CN114684984B (en) * | 2022-04-12 | 2023-03-24 | 安徽钰隆新能源科技集团有限公司 | Photocatalytic reactor for water treatment |
| CN115572025B (en) * | 2022-11-16 | 2023-04-07 | 中国电子工程设计院有限公司 | Treatment system and process for deep desalted water |
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| US5779912A (en) * | 1997-01-31 | 1998-07-14 | Lynntech, Inc. | Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant |
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